Note: The following are either deceased or have been dismissed from the Gotham City Police Department.
- Michael Akins - Succeeded Gordon as commissioner, left GCPD during the One Year Gap under unknown circumstances.
- Crispus Allen - Detective, Major Crimes Unit. Partnered with Renee Montoya. Killed by Jim Corrigan, now the Spectre.
- Jim Corrigan - GCPD officer killed when he tracks down his girlfriend's kidnapper, who shoots him. Due to not being accepted into the afterlife, he becomes the Spectre (Jim Corrigan also killed Crispus Allen, the new Spectre)
- Roger DeCarlo - Corrupt officer. Killed by Poison Ivy after accidentally murdering one of her orphans and attempting to cover it up.
- Sarah Essen Gordon - Major Crimes Unit commander, wife of Commissioner Gordon. Killed by the Joker during No Man's Land.
- Charlie Fields - Detective, Major Crimes Unit. Partnered with Marcus Driver. Killed by Mr. Freeze.
- Arnold Flass - Gordon's corrupt partner, fired. Killed by Hangman.
- Hugh Foley - Opposed Jim Gordon, killed by Billy Pettit during No Man's Land.
- Peter Grogan - Corrupt commissioner after Loeb and before Gordon, dismissed.
- Andy Howe - Briefly served as police commissioner after Mayor Krol fired Gordon.
- Andrew "Andy" Kelly - Officer, partnered with Don Peak. Transformed into a monster by Doctor Alchemy and killed in self-defense by Peak.
- David King - Police Captain, former ally of Gordon, killed during Year Three.
- Stan Kitch - Former lieutenant, now a defense attorney.
- Gillian B. Loeb - Corrupt commissioner in Year One, dismissed and later murdered by the Hangman.
- Stan Merkel - Watch Commander/Patrolman killed during Dark Victory.
- Renee Montoya - Detective, Major Crimes Unit. Partnered with Crispus Allen. Resigned after Allen's death, now the Question.
- Timothy Munroe - Corrupt officer. Killed by Poison Ivy after accidentally murdering one of her orphans and attempting to cover it up.
- Clancy O'Hara - Police Chief around the time Gordon had just initially became Commissioner. First victim of the Hangman at the start of Batman: Dark Victory.
- Nate Patton - Detective, Major Crimes Unit. Partnered with Romy Chandler. Killed by the Joker.
- Billy Pettit - Head of SWAT team, went insane. Killed a fellow police officer for an imagined betrayal during No Man's Land. Soon after was killed by the Joker.
- Ronald Probson - Major Crimes Unit commander, killed by the Joker.
- Jordan Rich - Corrupt officer, shot Jim Gordon. Killed indirectly by Harvey Bullock in retaliation.